Corbett Water District, OR
Lead detected, under the action levels
Latest 90th-percentile lead: 6.2 ppb (monitoring period 2022-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Corbett Water District
Corbett Water District serves about 2,954 people through 1,081 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Multnomah County, Oregon. EPA system ID: OR4100359; phone on file: 503-695-2284. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Corbett Water District's lead record
That is up 4.5 ppb from 1.7 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Corbett Water District is 6.2 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 6.2 ppb |
| 2021 | 1.7 ppb |
| 2020 | 4 ppb |
Where this result ranks
Of the 909 Oregon systems with a lead result, the median latest reading is 1 ppb; 15 are over 15 ppb right now and 71 have gone over at some point. Corbett Water District's 6.2 ppb sits at the 93rd percentile in Oregon and the 94th nationally (higher means more lead).
Neighbouring systems
24 other systems share Multnomah County; 2 of them have a higher latest lead result than Corbett Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Portland Water Bureau | 666,200 | 5.01 ppb |
| Gresham, City Of | 73,932 | 3.81 ppb |
| Rockwood Pud | 65,443 | 3.4 ppb |
| Troutdale, City Of | 16,185 | 1.2 ppb |
| Fairview, City Of | 9,963 | 6.89 ppb |
| Wood Village, City Of | 4,388 | 1.4 ppb |
| Pleasant Home Water District | 1,510 | 5.01 ppb |
| Palatine Hill Water District | 1,500 | 5.01 ppb |
| Lusted Water District | 1,200 | 4 ppb |
| Valley View Water District | 1,034 | 5.01 ppb |
Next steps for Corbett, OR
Test your own tap with a certified lab first-draw sample; Corbett, OR may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Corbett Water District whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.